﻿// The Nova Project by Ken Beckett.
// Copyright (C) 2007-2012 Inevitable Software, all rights reserved.
// Released under the Common Development and Distribution License, CDDL-1.0: http://opensource.org/licenses/cddl1.php

using System.Collections.Generic;
using System.Windows;
using System.Windows.Input;
using System.Windows.Media;

using Nova.CodeDOM;

namespace Nova.UI
{
    /// <summary>
    /// The view model for a <see cref="CodeDOM.CommentBase"/>.
    /// </summary>
    public abstract class CommentBaseVM : AnnotationVM
    {
        #region /* CONSTRUCTORS */

        /// <summary>
        /// Create a view model instance for the specified <see cref="CodeDOM.CommentBase"/>.
        /// </summary>
        protected CommentBaseVM(CommentBase commentBase, Dictionary<CodeObject, CodeObjectVM> dictionary)
            : base(commentBase, dictionary)
        { }

        #endregion

        #region /* PROPERTIES */

        /// <summary>
        /// The underlying <see cref="CodeDOM.CommentBase"/> model.
        /// </summary>
        public CommentBase CommentBase
        {
            get { return (CommentBase)CodeObject; }
        }

        #endregion

        #region /* RENDERING */

        /// <summary>
        /// Determines if all comments should be hidden.
        /// </summary>
        public static bool HideAll;

        /// <summary>
        /// Determines if all comment delimiters should be hidden.
        /// </summary>
        public static bool HideDelimiters;

        public override Brush BorderBrush
        {
            get { return Brushes.LightGray; }
        }

        public override Brush BackgroundBrush
        {
            get { return Brushes.White; }
        }

        public override int BorderHPad
        {
            get { return 2; }
        }

        public override int BorderVPad
        {
            get { return 1; }
        }

        public override void RenderToolTip(CodeRenderer renderer, RenderFlags flags)
        {
            TypeRefBaseVM.RenderType(renderer, CodeObject.GetType(), flags, this);
            RenderMessagesInToolTip(renderer, flags);
        }

        #endregion

        #region /* COMMANDS */

        public static readonly RoutedCommand HideAllCommand = new RoutedCommand("Hide All Comments", typeof(CommentBaseVM));
        public static readonly RoutedCommand HideDelimitersCommand = new RoutedCommand("Hide Comment Delimiters", typeof(CommentBaseVM));

        public static new void BindCommands(Window window)
        {
            WPFUtil.AddCommandBinding(window, HideAllCommand, hideAll_Executed);
            WPFUtil.AddCommandBinding(window, HideDelimitersCommand, hideDelimiters_Executed);
        }

        private static void hideAll_Executed(object sender, ExecutedRoutedEventArgs e)
        {
            HideAll = !HideAll;
            CodeRenderer.ReRenderAll();
        }

        private static void hideDelimiters_Executed(object sender, ExecutedRoutedEventArgs e)
        {
            HideDelimiters = !HideDelimiters;
            CodeRenderer.ReRenderAll();
        }

        #endregion
    }
}
